Piezoelectric Micromachined Ultrasound Transducer (PMUT) Arrays for Integrated Sensing, Actuation and Imaging. - Yongqiang Qiu; James V. Gigliotti; Margeaux Wallace; Flavio Griggio; Christine E. M. Demore; Sandy Cochran; Susan Trolier-McKinstry (Sensors, 2015)